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VacuBond® - Next Generation Optical Bonding

03-27-2014 06:31 PM CET | Industry, Real Estate & Construction

Press release from: Distec GmbH

/ PR Agency: alvacon pr
Direct conglutination of the glass plates reduces light refraction and improves contrast

Direct conglutination of the glass plates reduces light refraction and improves contrast

Distec Bonds Touch Screens and Protective Glass onto TFT Displays and Optimizes Readability and Robustness of Industrial Displays

Distec GmbH - leading German specialist for TFT-LCD flat screens and system solutions for industrial and multimedia applications - uses the currently world's most advanced optical bonding technology VacuBond®. "Processing the high performance silicone optoGel from the Japanese Taica company with a vacuum-bonding device the VacuBond® technology offers enormous advantages compared to traditional bonding methods," stated Bernhard Staller, Managing Director of Distec GmbH. "In particular, small TFT displays with an extremely compact design in sizes from 2.4" to 7" can be bonded reliably, precisely and cost-effectively with this new vacuum process." High-precision serial production is guaranteed by the automated process and the homogeneous silicone material. Clean room conditions ensure that no dust or dirt particles affect the result. The manufacturing equipment is capable of directly bonding TFT displays in custom bezels and front housings with integrated protective glass. Moreover, the VacuBond® process is reversible: individual components can be recovered, simplifying repairs and reducing repair costs.

Optical bonding is an enhancement process for TFT displays in which a protective glass, a touch screen, or a combination of both is applied to a TFT display. Optical bonding eliminates the air gaps between the components and thus reduces the reflections of incident light by 99 percent. The result is optimum contrast and exceptional color brilliance even when the TFT display is used outdoors and under intense ambient light. The readability is improved significantly without increasing the brightness or power consumption.

Protection Certifications including Explosion Protection

Distec's VacuBond® technology is also a good choice for environments that require explosion protection. Free air spaces within the display itself, which lead to restrictions in protection certifications, can be avoided or eliminated by "free air exclusion" bonding. This is an alternative to the very expensive and often irreversible conventional methods such as filling the space with glass beads or injecting silicone into the gap between layers. Additionally, Vacubond® technology allows for quick-turn prototyping.

High Quality through Automation and Production Jigs

Distec further streamlines production through automated processes and the use of production jigs. These are durable molding tools which guarantee the correct position of the individual components during the bonding process and provide consistent quality when producing large quantities. The basis for any new combination of TFT display and glass is an exact measurement of the contact angles and the physical adhesion forces. This measurement is made with a modern instrument and software that decodes surface energy in polar and dispersion components by using special liquids. Such a measurement protocol is the basis for every new project.

Distec provides the optical bonding service for every display up to a size of 24" in combination with touch screens of all technologies and/or protective glasses. In March, an identical VacuBond® manufacturing cell will be installed at Distec's U.S. facility in Ronkonkoma, NY, improving risk management by redundancy.

For more information:

About Distec
Distec is a company of the Data Display Group (, the worldwide operating specialist for TFT flat screen and system solutions for industrial, multimedia and digital signage applications. Located in Germering and Munich in Germany, the company designs, produces and sells innovative solutions and a full range components, displays and services. Data Display Group supplies innovative Green IT solutions based on their hardware platforms and their own software to control the TFTs of partners Samsung, Innolux, Kyocera, and Mitsubishi as well as selected panels from other manufacturers. These system solutions - from assemblies and kits up to finished OEM products - are developed in their own R&D centers in Germering (Germany), Istanbul (Turkey) and Ronkonkoma (NY/USA). The range of services includes customized developments and adaptations, product finishing and assembly of monitoring systems as well as the production of finished products and a complete after-sales service with RMA, repair and technical support. More information can be found on the homepage:

Distec GmbH
Augsburger Straße 2b
82110 Germering
T +49 89 89 43 63 0
F +49 89 89 43 63 131
E distribution|at|

A company of the Data Display Group:

Media Contact:

Mandy Ahlendorf
T +49 170 4048469
E pr|at|

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